15697716920

素因数分解:

$2^3\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{203233}}^1$

素因数の和:205175

約数の個数: 32

約数和(自身を含む): 35338327920

約数和(自身を除く): 19640611000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1931, 3862, 7724, 9655, 15448, 19310, 38620, 77240, 203233, 406466, 812932, 1016165, 1625864, 2032330, 4064660, 8129320, 392442923, 784885846, 1569771692, 1962214615, 3139543384, 3924429230, 7848858460, 15697716920]

約数ペア:

[(1, 15697716920), (2, 7848858460), (4, 3924429230), (5, 3139543384), (8, 1962214615), (10, 1569771692), (20, 784885846), (40, 392442923), (1931, 8129320), (3862, 4064660), (7724, 2032330), (9655, 1625864), (15448, 1016165), (19310, 812932), (38620, 406466), (77240, 203233)]